Key result
The use of anticoagulant and antiplatelet agents was an independent risk factor for perioperative blood loss following proximal femoral fractures, increasing the hemoglobin drop by 0.61 g/dL.
Why the study?
Does the continued use of oral anticoagulant and antiplatelet agents increase perioperative blood loss (measured by hemoglobin decrease) in patients undergoing surgical treatment for proximal femoral fractures?
Cross-Sectional (n=334)
No
Does the continued use of oral anticoagulant and antiplatelet agents increase perioperative blood loss (measured by hemoglobin decrease) in patients undergoing surgical treatment for proximal femoral fractures?
The continuation of anticoagulant and antiplatelet agents is an independent risk factor for increased perioperative blood loss in patients undergoing surgery for proximal femoral fractures.
Answers are grounded in this paper and cite their sources.
Antithrombotic use associated with greater blood loss in proximal femoral fracture surgery; hypothesis-generating and should not yet change practice.
To examine the effect of oral anticoagulant and antiplatelet agents on perioperative blood loss following proximal femoral fractures and to identify the risk factors associated with perioperative blood loss.Retrospective cross-sectional study.In a retrospective cross-sectional study, we treated 334 consecutive patients with proximal femoral fractures (100 who received anticoagulant or antiplatelet drugs and 234 who did not) and an overall mean age of 85.5 years (standard deviation 8.2 years). We performed retrospective multivariate analysis to determine the independent factors related to perioperative decreases in the hemoglobin (Hb) level, a proxy for blood loss.Multivariate analysis confirmed that anticoagulant or antiplatelet drugs significantly affected decreases in the Hb level (regression coefficient [RC], 0.61; 95% confidence interval [CI], 0.14-1.08; P = 0.01). In addition to anticoagulant or antiplatelet drugs, multivariate analysis confirmed that the fracture type (Orthopedic Trauma Association classification A2: RC, 1.19; 95% CI, 0.71-1.67; P < 0.01; A3: RC, 2.47; 95% CI, 1.41-3.53; P < 0.01), platelet count (RC, -0.08; 95% CI, -0.12 to -0.04; P < 0.01), and operative time (RC, 0.02; 95% CI, 0.004-0.03; P = 0.01) affected the decreases in Hb level.The use of anticoagulants and antiplatelet agents is an independent risk factor for perioperative blood loss following proximal femoral fractures. Fracture type, platelet count, and operative time also affect perioperative blood loss. The fracture type was the greatest contributing factor to perioperative blood loss.Level of evidence grade: Prognostic level III.
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Akaoka et al. (2016) conducted a cross-sectional in Proximal femoral fractures (n=334). Anticoagulant and antiplatelet agents vs. No anticoagulant or antiplatelet agents was evaluated on Decrease in hemoglobin (Hb) level (RC 0.61, 95% CI 0.14-1.08, p=0.01). The use of anticoagulant and antiplatelet agents was an independent risk factor for perioperative blood loss following proximal femoral fractures, increasing the hemoglobin drop by 0.61 g/dL.
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